40.2 – Fishbone Diagram

The fishbone technique, also known as the cause and effect diagram or Ishikawa diagram, is a visual tool used to identify the root causes of a problem. It is a common technique used in business analysis to understand and solve problems, and to identify opportunities for improvement.

Technique's info

  • Level:  
Medium
  • Number of people:
1
  • Duration:
1h

Definition

The Fishbone Technique helps identify the possible causes of a problem. 
It does it in structured way and makes sure that everyone understands the problem or cause that is being addressed.
This tool is also known as Ishakawa Diagram or Cause & Effect Diagram.

A product’s quality, logistic challenges, customer service’s complications, a team’s productivity or cohesion, or late deliveries can be a problem’s causes.

The fishbone technique is efficient only if the problem’s main cause is first identified.

A fishbone diagram

Why make use of a Fishbone Diagram?

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  • A fishbone diagram pinpoints the primary roots of a problem.
  • By prioritizing them, it allows you to find the origin of a problem.
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  • Once the main cause of a problem is found, this tool allows you to act so you can resolve it.
  • It also makes a company aware of its weaknesses by learning to recognize and understand a complication.
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  • The fishbone method helps identify and manage future similar problems.
  • It also gives the occasion to set up organizational and institutional changes to reduce the risk of problems occurring.

A fishbone diagram is also a great tool for analysing a system or a process. This method grants a more comprehensible reading of statements, assists the conception of new products or services, or modifying and updating your processes and operations

How to create and use a Fishbone diagram?

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On top of the brief description of the method, access to:

  • an explanation of when and how to use it,
  • a practical example,
  • tips and recommendations for use,
  • downloadable checklists and templates,
  • references for further reading,

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